Add readme and photo capability.

Author: stevensJourney

.swiftpm/xcode/xcshareddata/xcschemes/PowerSync.xcscheme

@@ -713,10 +713,11 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"PowerSyncExample/Preview Content\"";
-				DEVELOPMENT_TEAM = 6WA62GTJNA;
+				DEVELOPMENT_TEAM = ZGT7463CVJ;
 				ENABLE_PREVIEWS = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_NSCameraUsageDescription = "Take Photos for Todo Completion";
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
@@ -729,7 +730,7 @@
 				MARKETING_VERSION = 1.0;
 				ONLY_ACTIVE_ARCH = YES;
 				OTHER_LDFLAGS = "$(inherited)";
-				PRODUCT_BUNDLE_IDENTIFIER = com.powersync.PowerSyncExample;
+				PRODUCT_BUNDLE_IDENTIFIER = com.powersync.PowerSyncSwiftExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_OBJC_BRIDGING_HEADER = "PowerSyncExample/PowerSyncExample-Bridging-Header.h";
@@ -750,10 +751,11 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"PowerSyncExample/Preview Content\"";
-				DEVELOPMENT_TEAM = 6WA62GTJNA;
+				DEVELOPMENT_TEAM = ZGT7463CVJ;
 				ENABLE_PREVIEWS = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_NSCameraUsageDescription = "Take Photos for Todo Completion";
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
@@ -765,7 +767,7 @@
 				);
 				MARKETING_VERSION = 1.0;
 				OTHER_LDFLAGS = "$(inherited)";
-				PRODUCT_BUNDLE_IDENTIFIER = com.powersync.PowerSyncExample;
+				PRODUCT_BUNDLE_IDENTIFIER = com.powersync.PowerSyncSwiftExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_OBJC_BRIDGING_HEADER = "PowerSyncExample/PowerSyncExample-Bridging-Header.h";

Demo/PowerSyncExample.xcodeproj/project.pbxproj

@@ -10,9 +10,10 @@ struct TodoListView: View {
     @State private var error: Error?
     @State private var newTodo: NewTodo?
     @State private var editing: Bool = false
-    
+
     @State private var selectedImage: UIImage?
-    @State private var imageData: Data?
+    // Called when a photo has been captured. Individual widgets should register the listener
+    @State private var onPhotoCapture: ((_: Data) async throws -> Void)?
     @State private var showCamera = false
 
     var body: some View {
@@ -45,7 +46,7 @@ struct TodoListView: View {
                         }
                         Task {
                             do {
-                                _ = try await attachments.deleteFile(attachmentId: attachmentID) { tx, _ in
+                                try await attachments.deleteFile(attachmentId: attachmentID) { tx, _ in
                                     _ = try tx.execute(sql: "UPDATE \(TODOS_TABLE) SET photo_id = NULL WHERE id = ?", parameters: [todo.id])
                                 }
                             } catch {
@@ -56,6 +57,24 @@ struct TodoListView: View {
                     },
                     capturePhotoTapped: {
                         showCamera = true
+                        // Register a callback for successful image capture
+                        onPhotoCapture = { (_ fileData: Data) in
+                            guard let attachments = system.attachments
+                            else {
+                                return
+                            }
+
+                            try await attachments.saveFile(
+                                data: fileData,
+                                mediaType: "image/jpeg",
+                                fileExtension: "jpg"
+                            ) { tx, record in
+                                _ = try tx.execute(
+                                    sql: "UPDATE \(TODOS_TABLE) SET photo_id = ? WHERE id = ?",
+                                    parameters: [record.id, todo.id]
+                                )
+                            }
+                        }
                     }
                 )
             }
@@ -66,7 +85,7 @@ struct TodoListView: View {
             }
         }
         .sheet(isPresented: $showCamera) {
-            CameraView(imageData: $imageData)
+            CameraView(onPhotoCapture: $onPhotoCapture)
         }
         .animation(.default, value: todos)
         .navigationTitle("Todos")
@@ -134,9 +153,8 @@ struct TodoListView: View {
     }
 }
 
-
 struct CameraView: UIViewControllerRepresentable {
-    @Binding var imageData: Data?
+    @Binding var onPhotoCapture: ((_: Data) async throws -> Void)?
     @Environment(\.presentationMode) var presentationMode
 
     func makeUIViewController(context: Context) -> UIImagePickerController {
@@ -163,7 +181,15 @@ struct CameraView: UIViewControllerRepresentable {
             if let image = info[.originalImage] as? UIImage {
                 // Convert UIImage to Data
                 if let jpegData = image.jpegData(compressionQuality: 0.8) {
-                    parent.imageData = jpegData
+                    if let photoCapture = parent.onPhotoCapture {
+                        Task {
+                            do {
+                                try await photoCapture(jpegData)
+                            } catch {
+                                print("Error saving photo: \(error)")
+                            }
+                        }
+                    }
                 }
             }
 

Demo/PowerSyncExample/Components/TodoListView.swift

@@ -8,9 +8,7 @@ func getAttachmentsDirectoryPath() throws -> String {
     ).first else {
         throw PowerSyncError.attachmentError("Could not determine attachments directory path")
     }
-    let r = documentsURL.appendingPathComponent("attachments").path
-
-    return r
+    return documentsURL.appendingPathComponent("attachments").path
 }
 
 @Observable

Demo/PowerSyncExample/PowerSync/SystemManager.swift

@@ -83,3 +83,7 @@ The PowerSync Swift SDK currently makes use of the [PowerSync Kotlin Multiplatfo
 ## Migration from Alpha to Beta
 
 See these [developer notes](https://docs.powersync.com/client-sdk-references/swift#migrating-from-the-alpha-to-the-beta-sdk) if you are migrating from the alpha to the beta version of the Swift SDK.
+
+## Attachments
+
+See the attachments [README](./Sources/PowerSync/attachments/README.md) for more information.

README.md

@@ -46,7 +46,7 @@ public struct WatchedAttachmentItem {
 public actor AttachmentQueue {
     /// Default name of the attachments table
     public static let DEFAULT_TABLE_NAME = "attachments"
-    
+
     let logTag = "AttachmentQueue"
 
     /// PowerSync database client
@@ -304,6 +304,7 @@ public actor AttachmentQueue {
     ///   - fileExtension: File extension
     ///   - updateHook: Hook to assign attachment relationships in the same transaction
     /// - Returns: The created attachment
+    @discardableResult
     public func saveFile(
         data: Data,
         mediaType: String,
@@ -343,6 +344,7 @@ public actor AttachmentQueue {
     /// - Parameters:
     ///   - attachmentId: ID of the attachment to delete
     ///   - updateHook: Hook to perform additional DB updates in the same transaction
+    @discardableResult
     public func deleteFile(
         attachmentId: String,
         updateHook: @escaping (ConnectionContext, Attachment) throws -> Void
@@ -361,7 +363,7 @@ public actor AttachmentQueue {
                 hasSynced: attachment.hasSynced,
                 localUri: attachment.localUri,
                 mediaType: attachment.mediaType,
-                size: attachment.size,
+                size: attachment.size
             )
 
             return try self.attachmentsService.upsertAttachment(updatedAttachment, context: tx)